Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
AskNicely - Collect customer experience feedback on a daily basis and empower your team to take immediate action to drive retention, upgrades, reviews and referrals.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Delighted - The fastest and easiest way to gather actionable feedback from your customers
Slack - A messaging app for teams who see through the Earth!
Survicate - Collect feedback on your website and find out more about your visitors.